Merge bitcoindevkit/bdk#1414: chore: clean up electrsd and anyhow dev dependencies

f6218e4741 chore: reexport crates in `TestEnv` (Wei Chen)
125959976f chore: remove `anyhow` dev dependency from `electrum`, `esplora`, and `bitcoind_rpc` (Wei Chen)

Pull request description:

  <!-- You can erase any parts of this template not applicable to your Pull Request. -->

  ### Description

  Reexports `electrsd` in `TestEnv` to remove the `electrsd` dev depedency out of `bdk_electrum` and `bdk_esplora`.
  Credit to @ValuedMammal for the idea.

  Since `bitcoind` reexports `anyhow`, this dev dependency was also removed from `bdk_electrum`, `bdk_esplora`, and `bdk_bitcoind_rpc`. `bitcoind`, `bitcoincore_rpc` and `electrum_client` were also reexported for convenience.

  ### Changelog notice

  * Change `bdk_testenv` to re-export internally used crates.

  ### Checklists

  #### All Submissions:

  * [x] I've signed all my commits
  * [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)
  * [x] I ran `cargo fmt` and `cargo clippy` before committing

ACKs for top commit:
  evanlinjin:
    ACK f6218e4741

Tree-SHA512: c7645eb91d08d4ccb80982a992f691b5a8c0df39df506f6b361bc6f2bb076d62cbe5bb5d88b4c684c36e22464c0674f21f6ef4e23733f89b03aa12ec43a67cba

crates/esplora/src/async_ext.rs

@@ -411,8 +411,7 @@ mod test {
         local_chain::LocalChain,
         BlockId,
     };
-    use bdk_testenv::TestEnv;
-    use electrsd::bitcoind::bitcoincore_rpc::RpcApi;
+    use bdk_testenv::{anyhow, bitcoincore_rpc::RpcApi, TestEnv};
     use esplora_client::Builder;
 
     use crate::async_ext::{chain_update, fetch_latest_blocks};

crates/esplora/src/blocking_ext.rs

@@ -401,8 +401,7 @@ mod test {
     use bdk_chain::bitcoin::Txid;
     use bdk_chain::local_chain::LocalChain;
     use bdk_chain::BlockId;
-    use bdk_testenv::TestEnv;
-    use electrsd::bitcoind::bitcoincore_rpc::RpcApi;
+    use bdk_testenv::{anyhow, bitcoincore_rpc::RpcApi, TestEnv};
     use esplora_client::{BlockHash, Builder};
     use std::collections::{BTreeMap, BTreeSet};
     use std::time::Duration;